Square D QO315PL 15A 3-Pole 240 V Circuit Breaker

Meet the Square D QO315PL — a precise, dependable 15A 3-pole 240V circuit breaker engineered to protect your electrical system where it matters most. Identified by the part number QO315PL, this breaker is purpose-built for Square D QO panels, delivering consistent protection across multi-wire and 240-volt circuits.

Key reasons to choose the QO315PL:

• Current rating: 15 A provides targeted protection for circuits that require a lower, reliable trip threshold, reducing nuisance trips while guarding wiring and devices.
• Three poles enable safe handling of three conductors or a 3-phase load, ensuring complete protection for larger or more complex circuits.
• Voltage rating: 240 V suited for 240V circuits common in commercial equipment, HVAC systems, and certain industrial applications.
• QO-series compatibility designed to drop into compatible Square D panels for a secure, dependable install and predictable trip characteristics across the system.

What makes this breaker unique

The QO315PL isn’t just about specs — it’s about dependable protection when it matters most. Its design supports quick replacement in compatible panels, minimizing downtime and simplifying maintenance in busy electrical rooms. The 3-pole configuration ensures balanced protection across all conductors in 240V services, helping to prevent damage from overloads and short circuits on multi-wire and three-phase loads.

Ideal use cases

• Three-phase equipment and motors in commercial or light industrial environments
• 240V branch circuits that require robust overcurrent protection
• HVAC, pumps, conveyors, and other 240V loads connected to Square D QO panels

Installation and safety tips

Install this breaker in compatible Square D QO panels by a qualified electrician. Ensure the panel rating matches the 240V, 15A, 3-pole specification and follow all applicable electrical codes. Regularly inspect for signs of wear or damage, and replace only with the same part number (QO315PL) to maintain safety and performance.